diff --git a/pkgs/development/python-modules/trainer/default.nix b/pkgs/development/python-modules/trainer/default.nix
index e2c16943fffc..0c1c14f41eea 100644
--- a/pkgs/development/python-modules/trainer/default.nix
+++ b/pkgs/development/python-modules/trainer/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   coqpit,
   fsspec,
@@ -30,6 +31,14 @@ buildPythonPackage {
     hash = "sha256-z6TOzWqE3NytkdG3nUzh9GpFVGQEXFyzSQ8gvdB4wiw=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "add-support-for-python312.patch";
+      hash = "sha256-V5RPn/2pGKzQrf/SIRU3imo6nBhpBEJpI7HsFYbVZj4=";
+      url = "https://github.com/coqui-ai/Trainer/commit/0278012c7e6f5972b656d11757add4ab89f6d272.patch";
+    })
+  ];
+
   postPatch = ''
     sed -i 's/^protobuf.*/protobuf/' requirements.txt
   '';